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A325668
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First term of n-th difference sequence of (floor(k*r)), r = sqrt(5), k >= 0.
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3
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2, 0, 0, 0, 1, -5, 15, -35, 71, -135, 255, -495, 991, -2015, 4095, -8255, 16511, -32895, 65535, -130815, 261630, -523753, 1048322, -2096151, 4183700, -8324849, 16480854, -32363019, 62784774, -119759849, 223346544, -404491999, 705032194, -1166803109
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Table[First[Differences[Table[Floor[Sqrt[5]*n], {n, 0, 50}], n]], {n, 1, 50}]
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CROSSREFS
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Inverse binomial transform of A022839.
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KEYWORD
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easy,sign
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AUTHOR
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STATUS
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approved
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